If Avery Chambers can’t fix you in 10 sessions, she won’t take you on as a client. Her successes are phenomenal—she helps people overcome everything from domineering parents to assault—and almost absorbs the emptiness she sometimes feels since her husband’s death. Marissa and Mathew Bishop seem like the golden couple—until Marissa cheats. She wants to repair things, both because she loves her husband and for the sake of their eight-year-old son. After a friend forwards an article about Avery, Marissa takes a chance on this maverick therapist.

It is midnight on the morning of Halloween, and Jen anxiously waits up for her 18-year-old son, Todd, to return home. But worries about his broken curfew transform into something much more dangerous when Todd finally emerges from the darkness. As Jen watches through the window, she sees her funny, seemingly happy teenage son stab a total stranger.

Henry North is a down-on-his-luck cybersecurity expert from New Orleans. Adam Zhang is the cofounder of one of Austin’s most successful venture capitalist firms. These two men didn’t know each other. They had never met. Yet they died together, violently, in a place neither had any business being. When Henry doesn’t return from a business trip, his wife, Kirsten, panics - and then gets an anonymous phone call: “Your husband is dead in Austin.”

Owen Mann is charming, privileged, and chronically dissatisfied. Luna Grey is secretive, cautious, and pragmatic. Despite their differences, they form a bond the moment they meet in college. Their names soon become indivisible—Owen and Luna, Luna and Owen—and stay that way even after an unexplained death rocks their social circle.

April Clarke-Cliveden was the first person Hannah Jones met at Oxford. Vivacious, bright, occasionally vicious, and the ultimate It girl, she quickly pulled Hannah into her dazzling orbit. Together, they developed a group of devoted and inseparable friends—Will, Hugh, Ryan, and Emily—during their first term. By the end of the year, April was dead.

When Chloe Davis was twelve, six teenage girls went missing in her small Louisiana town. By the end of the summer, her own father had confessed to the crimes and was put away for life, leaving Chloe and the rest of her family to grapple with the truth and try to move forward while dealing with the aftermath.

Everyone from Wakarusa, Indiana, remembers the infamous case of January Jacobs, who was discovered in a ditch hours after her family awoke to find her gone. Margot Davies was six at the time, the same age as January—and they were next-door neighbors. In the twenty years since, Margot has grown up, moved away, and become a big-city journalist. But she’s always been haunted by the feeling that it could’ve been her. And the worst part is, January’s killer has never been brought to justice.

A girl with a secret. Longbill Beach, 1982. Emily Vaughn gets ready for the prom. For an athlete, who is smart, pretty and well-liked, this night that should be the highlight of her high school career. But Emily has a secret. And by the end of the evening, that secret will be silenced forever. Forty years later, Emily’s murder remains a mystery. Her tight-knit group of friends closed ranks; her respected, wealthy family retreated inwards; the small town moved on from her grisly attack. But all that’s about to change.

Two women. Many aliases. Meg Williams. Maggie Littleton. Melody Wilde. Different names for the same person, depending on the town, depending on the job. She's a con artist who erases herself to become whoever you need her to be—a college student. A life coach. A real estate agent. Nothing about her is real. She slides alongside you and tells you exactly what you need to hear, and by the time she's done, you've likely lost everything.

Olivia McAfee knows what it feels like to start over. Her picture-perfect life—living in Boston, married to a brilliant cardiothoracic surgeon, raising their beautiful son, Asher—was upended when her husband revealed a darker side. She never imagined that she would end up back in her sleepy New Hampshire hometown, living in the house she grew up in and taking over her father’s beekeeping business. Lily Campanello is familiar with do-overs, too. When she and her mom relocate to Adams, New Hampshire, for her final year of high school, they both hope it will be a fresh start.

Kit Darling is a maid with a snooping problem. She’s the “invisible girl,” compelled to poke into her wealthy clients’ closely guarded lives. It’s a harmless hobby until Kit sees something she can’t unsee in the home of her brand-new clients: a secret so dark it could destroy the privileged couple expecting their first child. This makes Kit dangerous to the couple. In turn, it makes the couple—who might kill to keep their secret—dangerous to Kit.

As children, Sam and Elli were two halves of a perfect whole: gorgeous identical twins whose parents sometimes couldn’t even tell them apart. They fell asleep to the sound of each other’s breath at night, holding hands in the dark. And once Hollywood discovered them, they became B-list child TV stars, often inhabiting the same role. But as adults, their lives have splintered. After leaving acting, Elli reinvented herself as the perfect homemaker: married to a real estate lawyer, living in a house just blocks from the beach.

The last thing Lizzie needs right now is a call from an inmate at Rikers asking for help - even if Zach Grayson is an old friend. But Zach is desperate: His wife, Amanda, has been found dead at the bottom of the stairs in their Brooklyn brownstone. And Zach’s the primary suspect. As Lizzie is drawn into the dark heart of idyllic Park Slope, she learns that Zach and Amanda weren’t what they seemed - and that their friends, a close-knit group of fellow parents at the exclusive Brooklyn Country Day school, might be protecting troubling secrets of their own.

In misty, coastal Washington State, Isaac lives alone with his dog, grieving the recent death of his teenage son, Daniel. Next door, Lorrie, a working single mother, struggles with a heinous act committed by her own teenage son. Separated by only a silvery stretch of trees, the two parents are emotionally stranded, isolated by their great losses - until an unfamiliar 16-year-old girl shows up, bridges the gap, and changes everything.

Minnesota, 1977. For the teens of one close-knit community, summer means late-night swimming parties at the quarry, the county fair, and venturing into the tunnels beneath the city. But for two best friends, it’s not all fun and games. Heather and Brenda have a secret. Something they saw in the dark. Something they can’t forget. They’ve decided to never tell a soul. But their vow is tested when their friend disappears—the second girl to vanish in a week. And yet the authorities are reluctant to investigate.